Ecology Summary - Johnrandallia nigrirostris
Ecology of Johnrandallia nigrirostris
 
Main Ref. Schneider, M., 1995
Remarks Often in large schools (Ref. 5227) over coral and rocky reefs (Ref. 9286). Feed on algae, gastropods, and small crustaceans (Ref. 9286). Omnivore (Ref. 57615).

Aquatic zones / Water bodies

Marine - Neritic Marine - Oceanic Brackishwater Freshwater
Marine zones / Brackish and freshwater bodies
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Johnrandallia nigrirostris may be found.

Habitat

Substrate Hard Bottom: rocky;
Substrate Ref.
Special habitats Coral Reefs; Corals: soft corals hard corals;
Special habitats Ref. Dominici-Arosemena, A. and M. Wolff, 2006

Associations

Ref.
Associations
Associated with
Association remarks Pick parasites from larger fishes like Paranthias colonus and Mulloides dentatus (Ref. 28023).
Parasitism

Feeding

Feeding type plants/detritus+animals (troph. 2.2-2.79)
Feeding type Ref. Schneider, M., 1995
Feeding habit variable
Feeding habit Ref. Dominici-Arosemena, A. and M. Wolff, 2006
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 2.97 0.44 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 346)
(e.g. oophagy)
Back to Search
Comments & Corrections
cfm script by eagbayani,  ,  php script by rolavides, 2/5/2008 ,  last modified by mbactong, 10/24/19